<!DOCTYPE html>
<html lang="en" xmlns:v-on="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="app">
    <input type="text" v-model="num1">
    +
    <input type="text" v-model="num2">
    =
    <span v-text="result"></span>
    <button v-on:click="change">计算</button>
</div>

<script src="dist/main.js"></script>
<script>

</script>
</body>
</html>